What was found
"CONTROLLER CABIN" ZONE TEMP LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES WITH MASTER CAUTION. ACFT GROUNDED. BITE TEST NR 2 CONTROLLER SHOWED FLT DECK TRIM VALVE FAULT. VERIFY TEST IS GOOD. BITE CHECK NOW GOOD.
- Difficulty date
- November 19, 2015
- Submitted
- November 23, 2015
- Operation
- Air carrier
- Aircraft
- N453AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 7,373 hours, 2,375 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Controller
- Condition
- Malfunctioned
- Location
- Cabin Temp
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.